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LibJS: Add the TypedArray.from() method

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Idan Horowitz 2021-07-05 01:25:40 +03:00 • committed by Linus Groh
parent 2183d01eb0
commit fac8f9a94d
3 changed files with 114 additions and 0 deletions
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28
Userland/Libraries/LibJS/Tests/builtins/TypedArray/TypedArray.from.js Normal file
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const TYPED_ARRAYS = [
Uint8Array,
Uint16Array,
Uint32Array,
Int8Array,
Int16Array,
Int32Array,
Float32Array,
Float64Array,
];
const BIGINT_TYPED_ARRAYS = [BigUint64Array, BigInt64Array];
test("basic functionality", () => {
TYPED_ARRAYS.forEach(T => {
const newTypedArray = T.from([1, 2, 3]);
expect(newTypedArray[0]).toBe(1);
expect(newTypedArray[1]).toBe(2);
expect(newTypedArray[2]).toBe(3);
});
BIGINT_TYPED_ARRAYS.forEach(T => {
const newTypedArray = T.from([1n, 2n, 3n]);
expect(newTypedArray[0]).toBe(1n);
expect(newTypedArray[1]).toBe(2n);
expect(newTypedArray[2]).toBe(3n);
});
});